Paulcox's sago palm Plant Care

Metroxylon paulcoxii McClatchey

Updated · Sources · How we source care data

The Metroxylon paulcoxii is known for its massive, fan-shaped leaves that can reach up to 10 feet in length. Originally from the tiny island nation of Fiji in the South Pacific, this palm species is highly sought after by plant collectors for its unique appearance and rarity in cultivation.

🪴Houseplants🌴Palms
Water

Every 7–14 days

Light

Full sun to partial shade

Temp

65–85°F

Humidity

50–70%

At a glance

How do you care for Paulcox's sago palm?

Water Paulcox's sago palm every 7–14 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 65–85°F (18–29°C) and 50–70% humidity. Fertilize it every 8 months during the growing season.

Where Is the Paulcox's sago palm Native To?

Native range1 country

What Is the Paulcox's sago palm?

Paulcox's sago palm (Metroxylon paulcoxii) belongs to the Arecaceae family within the Metroxylon genus. Paulcox's sago palm is native to Samoa. Paulcox's sago palm is also known as Metroxylon paulcoxi, Rotuma sago palm.

Paulcox's sago palm displays a tall, single-stemmed palm growth habit, reaching up to 30 ft tall with a spread of approximately 10 ft. Paulcox's sago palm produces creamy inflorescence.

Leaf size: approximately 36 inches.

How Often Should You Water a Paulcox's sago palm?

Metroxylon paulcoxii requires watering every 7–14 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.

Watering Frequency

Every 7–14 days

Let soil partially dry between waterings

What Light Does the Paulcox's sago palm Need?

Paulcox's sago palm thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Paulcox's sago palm Prefer?

Metroxylon paulcoxii grows best at temperatures of 65–85°F. Paulcox's sago palm prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Temperature

65–85°F

Humidity

50–70%

What Soil Mix Works Best for a Paulcox's sago palm?

Rich, loamy soil with good drainage. Good drainage is essential for Paulcox's sago palm to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Paulcox's sago palm?

Feed Paulcox's sago palm every 8 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.

Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.

Fertilizing

Every 8 months

During the growing season

The PlantoScan app can remind you when to water and when to fertilize each plant.

How Do You Repot a Paulcox's sago palm?

Repot every 2-3 years. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.

How Do You Propagate a Paulcox's sago palm?

Paulcox's sago palm can be propagated through seeds. Similar propagation techniques also apply to fiji sago palm plant care, which shares the same genus.

Is the Paulcox's sago palm Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Paulcox's sago palm, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.

This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.

See all plants toxic to cats and plants toxic to dogs.

What Pests and Diseases Affect the Paulcox's sago palm?

Paulcox's sago palm is susceptible to mealybugs, spider mites. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.

What USDA Hardiness Zone Does the Paulcox's sago palm Need?

Paulcox's sago palm grows outdoors in USDA Zone 11a – 12b. It survives winters down to planting zone 11a. Paulcox's sago palm is native to Samoa. In cooler regions, grow Paulcox's sago palm as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 11a – 12b

Keep exploring plants

Paulcox's sago palm is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.

It belongs to the Metroxylon genus — compare its care with other Metroxylon species on PlantoScan.

Metroxylon is part of the Arecaceae plant family — browse all Arecaceae genera and species.

Paulcox's sago palm thrives in bright light and direct sun — see other bright-light plants.

Related Plant Care Guides

Closely related plants with similar care requirements:

Sources

  • Scientific name & taxonomy: Metroxylon paulcoxii McClatchey, family Arecaceae (first published in Novon 8: 255 (1998)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Paulcox's sago palm, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
  • Hardiness zone: USDA Zone 11a – 12b, estimated from the plant's typical growing conditions.
  • Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.

Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.

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